var vFlashUrl;
var nFlashWidth;
var nFlashHeight;
var vFlashID;

vFlashID = "NS_main";
vFlashUrl = "../flash/visual_intro.swf?mainNum="+mainNum;
nFlashWidth = "100%";
nFlashHeight ="323";

var vFlash = "";

vFlash += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="'+ nFlashWidth +'" height="'+ nFlashHeight +'" id="'+ vFlashID +'" align="">';
vFlash += '<param name="allowScriptAccess" value="sameDomain" />';
vFlash += '<param name="movie" value="'+ vFlashUrl +'" />';
vFlash += '<param name="menu" value="false" />';
vFlash += '<param name="quality" value="high" />';
vFlash += '<param name="wmode" value="transparent" />';	
vFlash += '<embed src="'+ vFlashUrl +'" menu="false" quality="high" width="'+ nFlashWidth +'" height="'+ nFlashHeight +'" name="'+ vFlashID +'"  allowScriptAccess="sameDomain" scale="scale" align="" wmode="transparent" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
vFlash += '</object>';

document.write(vFlash);